CVE-2026-22620 in PADM
Summary
by MITRE • 07/30/2026
Improper input validation in the authentication component of Eaton's Tripp Lite series PADM firmware could allow an unauthenticated remote attacker to bypass authentication and gain a privileged user access to the device.
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Analysis
by VulDB Data Team • 07/30/2026
The vulnerability resides within the authentication mechanism of Eaton's Tripp Lite series PADM firmware, representing a critical security flaw that undermines the fundamental integrity of device access controls. This issue manifests as improper input validation where the system fails to adequately sanitize or verify user inputs during the authentication process, creating an exploitable pathway for unauthorized individuals to circumvent established security measures. The vulnerability affects a broad range of networked power distribution devices that utilize this firmware, potentially exposing critical infrastructure components to malicious actors who seek to gain elevated privileges without proper authorization.
The technical nature of this flaw stems from insufficient validation of authentication parameters, allowing attackers to manipulate input data in ways that bypass the normal authentication flow. When legitimate authentication requests are processed, the system does not properly validate the integrity or expected format of incoming credentials, enabling crafted inputs to be accepted as valid. This weakness aligns with CWE-20, which categorizes improper input validation as a fundamental security vulnerability pattern, and can be exploited through various techniques including parameter manipulation, credential injection, or bypass sequences that leverage the firmware's insufficient sanitization routines.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to assume privileged user roles within the device management interface. Once authenticated, malicious actors could potentially alter device configurations, modify power distribution settings, access sensitive operational data, or even disrupt critical power infrastructure services. This risk is particularly concerning for enterprise environments where these devices often serve as critical components in data center and facility management systems, making them attractive targets for adversaries seeking to gain control over essential infrastructure operations.
Security professionals should consider this vulnerability in the context of ATT&CK framework category T1078 which covers valid accounts and credential access. The flaw enables techniques such as T1078.004 for additional privileges through legitimate credentials, making it a critical concern for organizations implementing security monitoring and incident response procedures. Organizations must prioritize immediate remediation efforts including firmware updates from Eaton, network segmentation to limit access to affected devices, and enhanced monitoring of authentication events. Additionally, implementing robust input validation controls at multiple layers of the system architecture can help prevent similar vulnerabilities from manifesting in other components of the broader infrastructure ecosystem.